<div>
  <button id="open-alert" (click)="openAlert()">Open Alert</button>
  <button id="open-loading" (click)="openLoading()">Open Loading Indicator</button>
  <button id="open-modal" (click)="openModal()">Open Modal</button>
  <button id="open-picker" (click)="openPicker()">Open Picker</button>
  <button id="open-popover" (click)="openPopover($event)">Open Popover</button>
</div>
